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41 results about "Work recovery" patented technology
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Vapor compression refrigeration cycle expansion work recovery system
ActiveCN103940134AExhaust temperature controlGuaranteed efficiencyCompression machines with non-reversible cycleVapor–liquid separatorGas phase
The invention discloses a vapor compression refrigeration cycle expansion work recovery system. The system comprises a main compressor (i), a condenser (ii), a gas and liquid separator (iii), a gas expander (iv), an expansion valve (v), an evaporator (vi) and an auxiliary compressor (vii), wherein the condenser (ii) is connected with the main compressor (i) and cools gaseous working mediums from the main compressor into a gas and liquid two-phase mixture; the gas and liquid separator (iii) is connected with the condenser and performs phase separation on the gas and liquid two-phase mixture from the condenser; the gas expander (iv) is connected with a gas phase working medium outlet of the gas and liquid separator; the expansion valve (v) is connected with a liquid phase working medium outlet of the gas and liquid separator; the evaporator (vi) is connected with the expansion valve; the auxiliary compressor (vii) is connected with the evaporator; a gaseous working medium outlet of the gas expander and a gaseous working medium outlet of the auxiliary compressor are jointly communicated with a gaseous working medium inlet of the main compressor through a pipeline. Due to stage compression of the system, the compression ratio in each compression process is decreased, the efficiency of the compressors is guaranteed, and the circulation COP is improved.
Owner:TIANJIN UNIV
Environment-friendly ilmenite collecting agent and preparation method thereof
ActiveCN104069950AStrong harvesting abilityEnhanced harvesting capacityFlotationToxic materialFatty alcohol
The invention discloses an environment-friendly ilmenite collecting agent. The environment-friendly ilmenite collecting agent is composed of, by mass, 35% to 65% of colza oil soap, 10% to 30% of rosin soda soap, 3% to 8% of terpenic oil, 1% to 5% of fatty alcohol-polyoxyethylene ether sodium sulfate, 0.5% to 3% of coconut fatty acid diethanol amide and the balance water. In addition, the invention further discloses a preparation method of the collecting agent. Compared with a traditional collecting agent containing arsenium and other toxic substances, the environment-friendly ilmenite collecting agent is safe, environmentally friendly, abundant in raw material source, low in cost, small in use amount, high in selectivity, capable of reducing the use amount of regulators such as sulfuric acid, and beneficial for protecting the environment and further reducing production cost. After the environment-friendly ilmenite collecting agent is unceasingly used by mine enterprises, it is verified that under the condition that the floating raw ore grade is 16.33%, good indexes including the concentrate grade of 48.16% or above, the work recovery rate of 83.23% or above and the tailings grade of 3.24% or below can be achieved.
Owner:河南天鸿新材料科技有限公司
Technology and system for capturing and preserving carbon dioxide with low energy
ActiveCN109173558AGood technical effectReduce power consumptionGas treatmentDispersed particle separationAtmospheric airEngineering
The invention relates to a system for capturing and preserving carbon dioxide with a low energy. Medium-high temperature flue gas generated by a coal-fired power plant is introduced into a heat recovery heat exchanger to release high-temperature waste heat and become low-temperature flue gas, the low-temperature flue gas is subjected to desulfurization and denitrification treatment, and then enters a compressor unit, the obtained compressed flue gas is cooled by indirect cooling heat regenerators, and then enters a gas-liquid separator to separate liquid carbon dioxide in the flue gas, carbondioxide removed high-pressure gas sequentially enters the cold sides of all-stage indirect-cooling heat regenerators and expansion units to do work, the gas obtained after the expansion work undergoesheat recovery by the heat recovery heat exchanger to reach a discharge temperature, and the obtained gas is conveyed into a chimney, and then is discharged to atmosphere. The system combines flue gascompression with expansion work recovery and the waste heat recovery of the heat regenerator, so the power is maximally saved; the system is combined with an energy storage and heat storage system toachieve peak regulation of the power plant, so the initial investment cost per unit is reduced; and the system also provides the cold source needed by low-temperature removal of carbon dioxide in order to reduce the power consumption, so the efficiency is increased.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI +1
Work recovery system for a gas turbine engine utilizing an overexpanded, recuperated supercritical co2 bottoming cycle
A gas turbine engine includes a primary flowpath fluidly connecting a compressor section, a combustor section, and a turbine section. A heat exchanger is disposed in the primary flowpath downstream of the turbine section. The heat exchanger includes a first inlet for receiving fluid from the primary flowpath and a first outlet for expelling fluid received at the first inlet. The heat exchanger further includes a second inlet fluidly connected to a supercharged CO2 (sCO2) bottoming cycle and a second outlet connected to the sCO2 bottoming cycle. The sCO2 bottoming cycle is an overexpanded, recuperated Brayton cycle.
Owner:RTX CORP
Multi-level recycling pressure swing adsorption rapid oxygen-nitrogen generating device and method
ActiveCN108069400AEasy to purifyLow powerNitrogen purification/separationDispersed particle separationNitrogen gasHigh pressure
The invention relates to a multi-level recycling pressure swing adsorption rapid oxygen-nitrogen generating device and method. An oxygen purification system is connected a preliminary separation oxygen enrichment system through an oxygen enrichment high-pressure buffer tank T6, an oxygen enrichment middle-pressure buffer tank T5 and an oxygen enrichment low-pressure buffer tank T4, and is connected with a gas drying and purifying system through a high-purity oxygen acceleration pipe and a drying and purifying tail gas recovering pipe. An oxygen enrichment tail gas of the oxygen purification system is partially recovered and used as a regeneration gas of the gas drying and purifying system, and the regeneration gas of the gas drying and purifying system is partially recovered and used as anair source. The gas drying and purifying system is connected with an air inlet buffer tank T1 through a compressed air purifying system and a compressor CP1. The air separation raw material components of the device are adjusted by controlling the suction volume of the clean air of the air inlet buffer tank, and the efficiency of purifying the oxygen is improved. A multi-level tail gas recovery technology, a gas compression work recovery technology and a multi-step pressure-equalizing and flow control technology are used for realizing the low energy consumption while the high-quality nitrogenand oxygen are generated, and effectively shortening the available machine time.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Marine polyester yarn and preparation method thereof
InactiveUS20120189847A1Excellent abrasion resistanceHigh mechanical strengthFibre typesYarnFiberPolyester
The present invention relates to a marine polyester yarn used in the anchoring of an oil prospecting ship for oil field development in the deep sea, in particular, a marine polyester yarn prepared by surface-treatment of a polyester fiber with an oil component, which has a work recovery or creep rate within the predetermined range in a cycling test according to the ASTM D885 method of the American Society for Testing and Materials, and a preparation method thereof.The marine polyester yarn of the present invention is a lightweight fiber rope, compared to the known wire ropes, and thus can be conveniently used. Simultaneously, it is excellent in terms of mechanical strength, abrasion resistance, and shape stability, thereby being used as a marine yarn for a long time.
Owner:KOLON IND INC
Bag body shaping device for pure electric shaping packer and shaping method
Owner:福建省安溪县兴安金属有限公司
Low-temperature liquid storage tank cover subsystem and low-temperature liquid storage tank
ActiveCN104763873AImprove efficiencyEasy to useContainer filling methodsCompression machinesRoom temperaturePulse tube refrigerator
The invention relates to a low-temperature liquid storage tank cover subsystem and a low-temperature liquid storage tank, wherein the cover subsystem arranged on the low-temperature liquid storage tank includes a storage tank cover and a pulse tube refrigerator; the pulse tube refrigerator is arranged on the storage tank cover and includes a low-temperature part and a room-temperature part; the low-temperature part includes a cooler, a heat regenerator, a cold energy heat exchanger and a pulse tube which are connected in order; the cooler and the pulse tube are connected with the room-temperature part; the room-temperature part compresses gas to generate a pressure wave, the gas is expanded at the bottom of the pulse tube for refrigeration, the expansion work is recovered by an expansion work recovery device of the room-temperature part, steam is condensed into a liquid on the cold energy heat exchanger, and the liquid flows back to the low-temperature liquid storage tank. Compared with the prior art, the pulse tube refrigerator is mounted in the low-temperature liquid storage tank cover subsystem and is equipped with the expansion work recovery device, and the efficiency is improved, so that recondensed evaporation gas is profitable, and the cover subsystem can be applied in the widely-used low-temperature liquid storage tank.
Owner:TONGJI UNIV
Two-stage ejection one-machine-and-two-temperature refrigeration system for expansion work recovery
InactiveCN108344195AImprove performanceRelieve pressureCompression machines with non-reversible cycleRefrigeration componentsRefrigeration compressorVapor–liquid separator
The invention discloses a two-stage ejection one-machine-and-two-temperature refrigeration system for expansion work recovery. According to the Two-stage ejection one-machine-and-two-temperature refrigeration system for expansion work recovery, a refrigeration compressor outlet and a condenser inlet are connected, one path of a condenser outlet is connected with a two-stage jetting and ejection device main fluid inlet, and the other path of the condenser outlet is connected with a heat regenerator high-pressure fluid inlet. A heat regenerator high-pressure fluid outlet is connected with a first expansion machine inlet, and a first expansion machine outlet is connected with a first evaporator inlet. A two-stage jetting and ejection device diffusion section outlet is connected with a gas-liquid separator mixed fluid inlet, and a gas-liquid separator gas outlet is connected with a heat regenerator low-temperature fluid inlet. A heat regenerator low-temperature fluid outlet is connected with a refrigeration compressor inlet, and a gas-liquid separator liquid outlet is connected with a second expansion machine inlet. A second expansion machine outlet is connected with a second evaporator inlet, and outlets of a first evaporator and a second evaporator are connected with first and second ejection fluid inlets of a two-stage jetting and ejection device correspondingly. The property ofthe refrigeration system can be improved.
Owner:TIANJIN UNIV OF COMMERCE
Golf ball paint composition
ActiveUS20180142125A1Increase elasticityImprove performancePolyurea/polyurethane coatingsSolid ballsPolyesterPolyol
A golf ball paint composition includes primarily a urethane paint containing polyol as a base resin and polyisocyanate as a curing agent. Two types of polyester polyol are used as the polyol, and the composition has an elastic work recovery of at least 70%. The paint composition has a high self-repairing ability and is of high quality as a golf ball paint. Golf balls coated with this composition are able to maintain a good durability, in addition to which they have an excellent abrasion resistance and an excellent ball appearance.
Owner:BRIDGESTONE SPORTS
Method of quantitatively evaluating beneficiation flowsheet optimization degree
The invention discloses a method of quantitatively evaluating a beneficiation flowsheet optimization degree, which comprises the following steps: a sampling flow chart is drawn according to the process, and sampling positions and sampling requirements are determined according to needs; process sampling is carried out; sample analysis and study are carried out; process calculation is carried out; the relation between overall recovery and work recovery is determined; influences on the overall recovery by changes of the work recovery are analyzed; and the beneficiation flowsheet optimization degree is quantitatively evaluated. The quantitative mathematical relation between theoverall recovery and the unit work recovery is analyzed, the quantitative mathematical relation between changes of the overall recovery and sensitive factors of each unit work recovery is determined, and in combination with the process mineralogy study, the beneficiation flowsheet optimization degree is quantitatively evaluated, and an important guiding role can be played for beneficiation flowsheet optimization.
Owner:YUXI MINING +1
Electric vehicle heat pump type air conditioning system with ejector
InactiveCN108482062AIncrease inspiratory pressureImprove cycle efficiencyAir-treating devicesVehicle heating/cooling devicesEngineeringPath switching
The invention discloses an electric vehicle heat pump type air conditioning system with an ejector. A first four-way reversing valve and a second four-way reversing valve are separately arranged in the system as a refrigerant flow path switching valve group, and the ejector with a double-loop form is used for recovering expansion work in the throttling process, and the operation of the system in different modes of cooling, heating and defrosting is achieved. The electric vehicle heat pump type air conditioning system with the ejector adopts the ejector to realize the expansion work recovery inthe throttling process, and simultaneously increases the suction pressure of a compressor, thereby improving the refrigeration and heating capacity of the system as well as the refrigeration and heating efficiency; and the electric vehicle heat pump type air conditioning system with the ejector especially solves the problem of too low suction pressure of the operation of a heat pump under the lowtemperature working condition, and increases cycle economy.
Owner:HEFEI UNIV OF TECH
Sterling-pulse tube mixed cold finger adopting column spring phase modulation
ActiveCN107421153AAchieving Phase AdjustmentImprove efficiencyCompression machinesRefrigeration componentsGas cylinderGas phase
The invention relates to a sterling-pulse tube mixed cold finger adopting column spring phase modulation, which comprises an expansion gas cylinder and a pulse tube shell. The expansion gas cylinder comprises an expansion gas cylinder body, a hot side gas distribution seat, a cold cap, and a connecting pipe and a transition pipe arranged on the expansion gas cylinder body and communicating with a hot side cavity. A mechanical phase modulation device coaxial to the pulse tube shell is embedded into the hot side gas distribution seat, and comprises a spring fixing seat arranged at the outer end part of the hot side gas distribution seat, a hot side spring seat arranged at the inner end part of the hot side gas distribution seat and in clearance fit to the hot side gas distribution seat, and a cylindrical spring connected between the spring fixing seat and the hot side spring seat. According to the sterling-pulse tube mixed cold finger adopting column spring phase modulation provided by the invention, the mechanical phase modulation device is adopted to replace a traditional hole-gas reservoir, an inertia tube-gas reservoir and other gas phase modulation ways in a pulse tube cooler, the phase modulation of the cooler can be realized through adjusting spring parameters, effective work recovery is realized, and the efficiency of the cooler can be effectively improved in terms of theory and practical application.
Owner:CHINA ELECTRONICS TECH GROUP CORP NO 16 INST
Intelligent production detection and traceability system of tractor reducer shell
InactiveCN110595410AAccurate traceabilityRealize fully automatic detectionMeasurement devicesImage data processingProduction lineReducer
The invention relates to an intelligent production detection and traceability system of a tractor reducer shell. An in-line independent detection system is constructed by integrating a tractor reducershell production line and an intelligent detection system, the real-time detection is performed, and a detection result is fed back to a master console; the master console controls and adjusts a processing state and a detection state of the production line according to a feedback signal, and collects a dimensional parameter component database of a qualified product, thereby constructing a complete traceability system chain of a shell product-test-error compensation; the full-automatic detection, automatic identification, task diversion, deviation warning and automatic work recovery of equipment after deviation elimination in production operation are realized, the accurate traceability of the in-line detection system is realized, and the production efficiency and quality of the tractor reducer shell are effectively improved.
Owner:CHINA YITUO GROUP +1
Dual-temperature zone aerospace refrigerator
InactiveCN109059396ACompact structureSolution to short lifeCompression machinesDomestic refrigeratorsEngineeringExpansion chamber
The invention relates to a dual-temperature zone aerospace refrigerator. The dual-temperature zone aerospace refrigerator includes a refrigerator box and a refrigerating device, the refrigerating device includes a refrigerating machine portion, a cold guide portion and a control portion, the refrigerating machine portion includes a compression unit with a compression chamber, two cold finger unitsand a work recovering unit, two work recovery pistons and a work recovery cylinder form an expansion chamber, the expansion chamber communicates with a first hot end heat exchanger through a first expansion pipe and communicates with a second hot end heat exchanger through a second expansion pipe, a first work recovery chamber communicates with a first compression pipe through a first work recovery pipe, a second work recovery chamber communicates with a second compression pipe through a second work recovery pipe, a first compression pipe is provided with a first electromagnetic valve, a second compression pipe is provided with a second electromagnetic valve, the first electromagnetic valve and the second electromagnetic valve are used for controlling the working states of the first coldfinger unit and the second cold finger unit, the first expansion pipe is provided with a third electromagnetic valve, a fourth electromagnetic valve is arranged on the second expansion pipe, and the third electromagnetic valve and the fourth electromagnetic valve are used for controlling the working state of the power recovery part.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Marine polyester fiber, and preparation method thereof
InactiveCN102639766AHigh strengthImproved creep propertiesFibre typesMelt spinning methodsPolyesterFiber
The present invention relates to a marine fiber used in the anchoring of an oil prospecting ship for oil field development in the deep sea and the like, and particularly, to a marine polyester fiber which is a fiber comprising a polyester fiber surface-treated with an oil component and has a certain range of a work recovery or a creep ratio in a cycling test according to an ASTM D885 method of the standards of the American Society for Testing And Materials, and a preparation method thereof. The marine polyester fiber of the present invention can be conveniently used due to a remarkably reduced weight compared with known wire ropes, simultaneously provides excellent mechanical strength, abrasion resistance and shape stability when applied to a marine fiber, and can be used for a long time.
Owner:KOLON IND INC
Work recovery system for a gas turbine engine utilizing an overexpanded, recuperated supercritical CO2 bottoming cycle
A gas turbine engine includes a primary flowpath fluidly connecting a compressor section, a combustor section, and a turbine section. A heat exchanger is disposed in the primary flowpath downstream of the turbine section. The heat exchanger includes a first inlet for receiving fluid from the primary flowpath and a first outlet for expelling fluid received at the first inlet. The heat exchanger further includes a second inlet fluidly connected to a supercharged CO2 (sCO2) bottoming cycle and a second outlet connected to the sCO2 bottoming cycle. The sCO2 bottoming cycle is an overexpanded, recuperated Brayton cycle.
Owner:RTX CORP
Work recovery system for a gas turbine engine utilizing an overexpanded, recuperated supercritical co2 cycle driven by cooled cooling air waste heat
A gas turbine engine includes a primary flowpath fluidly connecting a compressor section, a combustor section, and a turbine section. A heat exchanger includes an first inlet connected to a high pressure compressor bleed, a first outlet connected to a high pressure turbine inlet. The heat exchanger further includes a second inlet fluidly connected to a supercharged CO2 (sCO2) work recovery cycle and a second outlet connected to the sCO2 work recovery cycle. The sCO2 work recovery cycle is an overexpanded, recuperated work recovery cycle.
Owner:RAYTHEON TECH CORP
Golf ball
ActiveUS20180369649A1Increased durabilitySlow down the spin rateGolf ballsSolid ballsHardnessGolf Ball
In a golf ball having a core, a cover of at least one layer and a paint film layer formed on a surface of the cover, the paint film layer has an elastic work recovery of at least 60%, the cover layer in contact with the paint film layer has a material hardness on the Shore D scale of at least 55 and, letting M be the elastic work recovery (%) of the paint film layer and N be the material hardness (Shore D hardness) of the cover layer, M−N>0. The ball surface is scratch-resistant and has an excellent durability, and the ball has a reduced spin rate on shots with a driver or a long iron, resulting in an increased carry.
Owner:BRIDGESTONE SPORTS
Terminal registration method and system
ActiveCN110248409AAvoid sending registration request information at the same timeImprove registration speedNetwork topologiesBroadcast service distributionComputer terminalComputer science
The invention provides a terminal registration method and system, and the method comprises the steps: determining an agent terminal, enabling the agent terminal to agent other terminals in the same terminal group, and sending the batch registration request information to a base station, enabling the base station to receive the batch registration request information, process the batch registration request information one by one, generate corresponding feedback information, and send the feedback information to a corresponding terminal. Through the method provided by the invention, the time consumed in the terminal registration process is shortened, the registration speed of the terminal is increased, and the operation and maintenance efficiency of terminal registration and work recovery after the base station is restarted is improved.
Owner:HYTERA COMM CORP
Heat supply system
PendingCN110513748AIncrease heating capacityImprove efficiencyHeating fuelLighting and heating apparatusRefluxEngineering
The invention provides a heat supply system which comprises a heat supply assembly, an expansion work recovery assembly and a refrigerating assembly. A heat source passes through a steam generator first to transfer part of heat to a first working medium, and then the heat source is transferred to a first heat supply heat exchanger and supplies heat to a user; the first working medium absorbing heat becomes overheated steam, the overheated steam becomes low temperature steam after being acted by an expansion machine, the low temperature steam transfers parts of heat to a second working medium through a condenser, and the first working medium forms reflux; the expansion machine drives a compressor to act and compresses the second working medium of gas to high temperature and high pressure gas, heat is transferred to a second heat supply heat exchanger and is supplied to the user, and the second working medium returns to the condenser to form circulation. The expansion machine is driven by the high temperature heat source to provide power to the compressor, so that the return water temperature is reduced, the heat supply capacity of an existing pipe network is improved and the energyuse efficiency of the heat supply system is improved on the premise of not increasing extra acting electric power.
Owner:SUZHOU BSE AIR CONDITIONER
Cooling System
ActiveUS20200217562A1Concentrated heatingIncrease suction pressureCompressorMechanical apparatusRefrigerantVALVE PORT
An apparatus includes a first expander, a flash tank, a first load, a first work recovery compressor, a valve, and a first compressor. The first expander expands a refrigerant. The flash tank stores a refrigerant from the expander. The first load uses the refrigerant from the flash tank to cool a space proximate the first load. The work recovery compressor compresses the refrigerant from the first load and is driven by the first expander. The valve reduces the pressure of the refrigerant from the work recovery compressor below a threshold. The first compressor compresses the refrigerant from the valve.
Owner:HEATCRAFT REFRIGERATION PRODS
A demining robot
InactiveCN107300342BEnsure safetyOperational securityDefence devicesPressure blastHydraulic cylinder
The invention provides a demining robot, which comprises a base plate module, eight walking modules, a main arm mechanism, a shovel hopper module, a transmission module, four upright posts, a sliding platform, an upper support seat, a first hydraulic cylinder, a press block, a second hydraulic cylinder, a pressure path module, a third hydraulic cylinder, a crushing module, four spiral springs, a pressure blasting module, a fourth hydraulic cylinder and two connecting rods. The demining robot is characterized in that the eight walking modules are fixedly arranged at the left side and the right side of the lower end surface of a vehicle frame of the base plate module through respective fixing seats. The shovel hopper is used for shoveling soil; the land is compactly pressed through the press block; meanwhile, a remained landmine explodes through being pressed; then, the soil is scattered and flatly pressed again. The demining robot has the advantages that the landmine in a work region can be cleanly cleared; the region safety is ensured, so that the soil can be continuously cultivated or used for building; meanwhile, the personnel approaching is not needed in the demining process; the operation is safe; the postwar production life and work recovery can be fast promoted.
Owner:孟凡星
Ejector for heat or work recovery system and heat or work recovery system
The invention provides an ejector for a heat recovery or work recovery system and the heat recovery or work recovery system. The ejector comprises a high-pressure fluid channel, a low-pressure fluid channel, a mixing chamber and a diffusion chamber, wherein the high-pressure fluid channel comprises a high-pressure fluid inlet and a high-pressure fluid nozzle; the low-pressure fluid channel comprises a low-pressure fluid inlet and a suction chamber surrounding the high-pressure fluid nozzle; the mixing chamber is in fluid communication with the high-pressure fluid channel and the low-pressure fluid channel; the diffusion chamber is arranged downstream of the mixing chamber; the high-pressure fluid nozzle sequentially comprises a contraction section, a throat portion and a diffusion section, and a high-pressure fluid outlet is limited at the tail end of the diffusion section; and the circumferential wall of the diffusion section is in an outwards-protruding arc shape in the longitudinal section. The ejector has higher efficiency.
Owner:CARRIER CORP
Multi-temperature-zone refrigerator comprising work recovery pulse tube cryocooler and refrigerating method
InactiveCN109059397AImprove balanceReduce vibrationCompression machinesDomestic refrigeratorsMachine partsSolenoid valve
The invention provides a multi-temperature-zone refrigerator comprising a work recovery pulse tube cryocooler and a refrigerating method. The refrigerator comprises a refrigerator body and a refrigerating device. The refrigerator body comprises a first freezing chamber and a second freezing chamber. The refrigerating device comprises a refrigerating machine part, a cold guide part and a control part. The refrigerating machine part comprises a compression unit with a compression cavity, two cold finger units and a work recovery unit. An expansion cavity communicates with a first hot-end heat exchanger through a first expansion pipe and communicates with a second hot-end heat exchanger through a second expansion pipe. A first work recovery cavity communicates with a first compression pipe through a first work recovery pipe. A second work recovery cavity communicates with a second compression pipe through a second work recovery pipe. A first solenoid valve is arranged on the first compression pipe. A second solenoid valve is arranged on the second compression pipe. The first solenoid valve and the second solenoid valve are used for controlling the working conditions of the first coldfinger unit and the second cold finger unit correspondingly. The cold guide part comprises a first cold guide unit and a second cold guide unit. The control part comprises a controller connected withthe refrigerating machine part.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Solar-energy-based hybrid energy warmer
InactiveCN106705142AMake full use ofImprove utilization efficiencyDomestic stoves or rangesLighting and heating apparatusElectricityControl system
The invention discloses a solar-energy-based hybrid energy warmer. The solar-energy-based hybrid energy warmer comprises a warmer, a solar system, an energy storage system, an energy complementary system and a hybrid energy control system, wherein the warmer comprises a furnace body, a panel, a circuit board and a heating component; a heating zone is arranged on the panel, is arranged corresponding to the heating component, and is located above the heating component; the heating component comprises a metal shell, ceramic heating fins and a ceramic heat storage body; the solar system is used for converting solar energy to electric energy to provide electric energy for the warmer; the energy storage system is used for storing electric energy and is connected with the solar system; the energy complementary system is used for providing electric energy for the warmer when the capacity of the energy storage system is insufficient; the hybrid energy control system is used for providing electricity for the warmer and the energy storage system utilizing the solar system when the solar system works normally, and providing electricity for the warmer utilizing the energy storage system when the solar system does not work normally; when the discharge capacity of the energy storage system is lower than a preset value, electricity is provided for the warmer by utilizing the energy complementary system; and when normal work of the solar system is recovered, the energy complementary system stops providing electricity for the warmer.
Owner:林榕浩
A cryogenic liquid storage tank lid system and cryogenic liquid storage tank
ActiveCN104763873BImprove efficiencyEasy to useContainer filling methodsCompression machinesEvaporationLiquid storage tank
The invention relates to a low-temperature liquid storage tank cover subsystem and a low-temperature liquid storage tank, wherein the cover subsystem arranged on the low-temperature liquid storage tank includes a storage tank cover and a pulse tube refrigerator; the pulse tube refrigerator is arranged on the storage tank cover and includes a low-temperature part and a room-temperature part; the low-temperature part includes a cooler, a heat regenerator, a cold energy heat exchanger and a pulse tube which are connected in order; the cooler and the pulse tube are connected with the room-temperature part; the room-temperature part compresses gas to generate a pressure wave, the gas is expanded at the bottom of the pulse tube for refrigeration, the expansion work is recovered by an expansion work recovery device of the room-temperature part, steam is condensed into a liquid on the cold energy heat exchanger, and the liquid flows back to the low-temperature liquid storage tank. Compared with the prior art, the pulse tube refrigerator is mounted in the low-temperature liquid storage tank cover subsystem and is equipped with the expansion work recovery device, and the efficiency is improved, so that recondensed evaporation gas is profitable, and the cover subsystem can be applied in the widely-used low-temperature liquid storage tank.
Owner:TONGJI UNIV
Environment-friendly ilmenite collecting agent and preparation method thereof
ActiveCN104069950BStrong harvesting abilityEnhanced harvesting capacityFlotationToxic materialFatty alcohol
The invention discloses an environment-friendly ilmenite collecting agent. The environment-friendly ilmenite collecting agent is composed of, by mass, 35% to 65% of colza oil soap, 10% to 30% of rosin soda soap, 3% to 8% of terpenic oil, 1% to 5% of fatty alcohol-polyoxyethylene ether sodium sulfate, 0.5% to 3% of coconut fatty acid diethanol amide and the balance water. In addition, the invention further discloses a preparation method of the collecting agent. Compared with a traditional collecting agent containing arsenium and other toxic substances, the environment-friendly ilmenite collecting agent is safe, environmentally friendly, abundant in raw material source, low in cost, small in use amount, high in selectivity, capable of reducing the use amount of regulators such as sulfuric acid, and beneficial for protecting the environment and further reducing production cost. After the environment-friendly ilmenite collecting agent is unceasingly used by mine enterprises, it is verified that under the condition that the floating raw ore grade is 16.33%, good indexes including the concentrate grade of 48.16% or above, the work recovery rate of 83.23% or above and the tailings grade of 3.24% or below can be achieved.
Owner:河南天鸿新材料科技有限公司
Liquid Piston Work Recovery Pulse Tube Refrigeration System and Application of Liquid Piston in it
The invention discloses a liquid piston work recycling type pulse pipe refrigerating system. The system comprises a pressure wave generator, a room temperature end heat exchanger, a cold accumulator, a cold end heat exchanger, a pulse pipe, a pulse pipe heat end heat exchanger and a phase adjusting device, all of which are sequentially connected. An outlet of the phase adjusting device is connected with a pipeline between the pulse pipe heat end heat exchanger or the pressure wave generator and the room temperature end heat exchanger, and a liquid piston is arranged in the phase adjusting device. In the liquid piston work recycling type pulse pipe refrigerating system, the liquid piston is arranged in the phase adjusting device of the pulse pipe refrigerating system, adjustment on the phase position of the refrigerating system is achieved, and work recycling can be achieved as well.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Heat recovery or work recovery system, ejector therefor, and fluid mixing method
The invention provides an ejector for a heat recovery or work recovery system, the heat recovery or work recovery system, and a method of directing fluid therein. The ejector comprises a high-pressure fluid channel, a suction fluid channel, a mixing chamber and a diffusion chamber, wherein the high-pressure fluid channel comprises a high-pressure fluid inlet and a high-pressure fluid nozzle; the suction fluid channel comprises a suction fluid inlet and a suction chamber surrounding the high pressure fluid nozzle; the mixing chamber in fluid communication with the high-pressure fluid channel and the suction fluid channel, correspondingly; the diffusion chamber is located downstream of the mixing chamber; and the front end of the outer wall of the high-pressure fluid nozzle is provided with an arc-shaped rounding part. The ejector according to an embodiment of the present invention has improved efficiency.
Owner:CARRIER CORP
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